The following activities shall be exempt from the provisions of this chapter:
(A) The emission of sound for the purpose of alerting persons to the existence of an emergency or the emission of sound in the performance of emergency work;
(B) Activities of the federal, state or local jurisdiction while performing governmental duties;
(C) Activities conducted on public playgrounds and public or private school grounds, including but not limited to school athletic and school entertainment events;
(D) The handling of boxes, crates, containers, garbage cans or other similar objects between the hours of 7:00 a.m. and 7:00 p.m.;
(E) The operation of any mechanically powered saw, sander, drill, grinder, lawn or garden tool or similar tool between 7:00 a.m. and 7:00 p.m. on weekdays and the hours of 10:00 a.m. and 10:00 p.m. on weekends and holidays;
(F) Construction or demolition work conducted between the hours of 7:00 a.m. and 7:00 p.m. on weekdays and the hours of 9:00 a.m. and 6:00 p.m. on weekends and holidays;
(G) Any activity to the extent regulation thereof has been preempted by state or federal law.
(`83 Code, § 9.44.080) (Ord. 85-5 § 1 (part), 1985; Ord. 88-31 § 1, 1989)